Shapoorji Pallonji Group Assistant Engineer - Civil Interview Questions and Answers

Q1. What is hydration process during casting of concrete?
Ans. 
Hydration process is the chemical reaction between cement and water which results in the hardening of concrete.
• Hydration process starts as soon as water is added to cement.

• The reaction produces heat and causes the mixture to harden and gain strength.

• The process continues for weeks and even months, resulting in a stronger and more durable concrete.

• The amount of water used in the mixture affects the hydration process and...read more
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Q2. Concrete strength depend ?
Ans. 
Concrete strength depends on various factors.
• Water-cement ratio

• Type and quality of cement

• Aggregate size and shape

• Curing conditions

• Mix design

• Age of concrete

• Temperature and humidity

• Presence of admixtures
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Q3. Why used send in concrete mixer
Ans. 
Water is added to concrete mixer to make the mixture more workable and to achieve the desired consistency.
• Water is added to hydrate the cement and activate the chemical reaction that causes it to harden

• The amount of water added affects the strength and durability of the concrete

• Too much water can weaken the concrete and cause cracking

• The water should be added gradually and mixed thoroughly to ensure even distribution

• Ot...read more
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Q1. Technical engineer
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Q2. My salary 800000
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Q1. Technical engineer
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Q2. My salary 800000
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Q3. Excavation Engineer
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Q1. Calculate the weight of steel bars.
Ans. 
The weight of steel bars can be calculated by multiplying the volume of the steel bar by its density.
• Calculate the volume of the steel bar by using the formula: Volume = (π * (Diameter)^2 * Length) / 4

• Determine the density of the specific type of steel being used

• Multiply the volume by the density to get the weight of the steel bar
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Q2. What is workability.
Ans. 
Workability refers to the ease and ability of a material to be worked with and manipulated during construction.
• Workability is important in construction as it affects the ease of placing, compacting, and finishing concrete or other materials.

• Factors affecting workability include water content, aggregate size and shape, temperature, and admixtures.

• For example, a concrete mix with high workability will flow easily into fo...read more
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Q3. What is bar bending schedule?
Ans. 
Bar bending schedule is a document detailing the shape, quantity, length, and bending dimensions of steel bars used in construction.
• It is prepared by civil engineers to ensure proper placement and bending of reinforcement bars in concrete structures.

• Includes details such as bar mark, diameter, number of bars, length, shape codes, and bending dimensions.

• Helps in estimating the quantity of steel required for construction...read more
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Q4. What is the densityof steel bars.
Ans. 
The density of steel bars is approximately 7850 kg/m^3.
• The density of steel bars is typically around 7850 kg/m^3.

• Density can vary slightly depending on the specific type of steel used.

• Density is a measure of mass per unit volume.
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Q5. What is the mix ratio of grade M20?
Ans. 
The mix ratio of grade M20 concrete is 1:1.5:3 (cement:sand:aggregate).
• Grade M20 concrete has a mix ratio of 1:1.5:3 (cement:sand:aggregate).

• This means for every 1 part of cement, 1.5 parts of sand and 3 parts of aggregate are used.

• For example, for a 1 cubic meter of M20 concrete, 0.5 cubic meters of sand and 1.5 cubic meters of aggregate are used.
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The goal of an aptitude test is to predict the ability to learn new skills

Q1. What experience do you have that relates to this job role
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Q2. Tell me about your final year projects
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Q1. Scar drawing and technical point
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Q2. With safety trying best output
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Q3. Field requirement and safety first
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Q4. Working area material properly staged
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Q5. Focus on work quality
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Q6. Be carefull with machinery
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Q7. Everytime touch with workers
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Q8. Given detail of senior timely
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Q9. Proper discussion with senior
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Q10. Touch with total staff
Ans. 
Maintain regular communication and interaction with all staff members.
• Regularly check in with staff to ensure they have the resources and support they need

• Hold regular team meetings to discuss project progress and address any concerns

• Encourage open communication and feedback from all team members

• Provide opportunities for team building and collaboration

• Lead by example by being accessible and approachable to all staff me
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Q11. Given 110% daily
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Q1. Asked about previous work
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Q2. What was the last project
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Q1. Lap length for hoop, development length.Grade of concrete and HDPE pipe is code
Ans. 
Lap length and development length for hoop, grade of concrete, and HDPE pipe are specified in code.
• Lap length for hoop reinforcement is specified in IS 456:2000 and varies based on the diameter of the bar and the grade of concrete.

• Development length is the length of the bar required to transfer the stress from the bar to the surrounding concrete and is also specified in IS 456:2000.

• The grade of concrete determines the ...read more
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